𝔖 Bobbio Scriptorium
✦   LIBER   ✦

MEASUREMENTS OF ISOTHERMAL COMPLEX MODULI OF VISCOELASTIC MATERIALS OVER A LARGE RANGE OF FREQUENCIES

✍ Scribed by M. Soula; T. Vinh; Y. Chevalier; T. Beda; C. Esteoule


Publisher
Elsevier Science
Year
1997
Tongue
English
Weight
284 KB
Volume
205
Category
Article
ISSN
0022-460X

No coin nor oath required. For personal study only.

✦ Synopsis


A method of determination of the Young's and shear complex moduli of viscoelastic materials using a transmissibility function is presented. The experimental set-up shows that it is possible to evaluate both moduli on the same samples. We will show that, with appropriate inverse methods, isothermal complex moduli are obtained over a large range of frequencies.


πŸ“œ SIMILAR VOLUMES


Measurements of large impedances in a wi
✍ J.R. Dygas; M.W. Breiter πŸ“‚ Article πŸ“… 1996 πŸ› Elsevier Science 🌐 English βš– 841 KB

In a computer controlled impedance setup, the current sensitivity of the Solartron SI-1260 Impedance/Gain Phase Analyzer is improved by six orders of magnitude by the Keithley 428 Current Amplifier. Impedances up to the order of 1013 R can be measured at low frequencies with the ac signal of 30mV rm

Reflection and transmission ellipsometry
✍ F. Sagnard; D. Seetharamdoo; V. Le Glaunec πŸ“‚ Article πŸ“… 2002 πŸ› John Wiley and Sons 🌐 English βš– 254 KB

## Abstract For in situ measurement of the complex permittivity of planar materials, a free‐space system based on reflection or transmission ellipsometry has been developed and extended to microwave frequencies. Different angles of incidence were studied in the range [35–50Β°]. Original numerical me